1). Last week, the ratio of laptops to desktops sold at a computer store was 2:3. Eighteen desktop models were sold. How many laptop models were sold?
A: 12 laptop models were sold.
2). Find the unite rate: twenty-six crackers contain 150 Calories.
A: 6
3). Solve the proportion: -18/n = 9/2
A: -4
4). Solve the proportion: 4/12 = r +2/ 16
A: 40/12?
5). Find each value. Round to the nearest tenth if necessary: find 40% of 25.
A: 10
6). Find each value. Round to the nearest tenth if necessary: 35 is what percent of 70?
A: 50%
7). Find each value. Round to the nearest tenth if necessary: 16 is 80% of what number?
A: 20
8). A volunteer at the zoo is responsible for feeding the animals in 15 exhibits in the reptile house. This represents 20% of the total exhibits in the reptile house?
A: ?
9). Solve h + p = 3(k-8) for k.
A: ?
10). Solve x/r = v for x.
A: ?
11). The absolute value of r = 7
A: 7?
12). The absolute value of 2x - 4 = 0
A: No solution.
13). Collette is a contestant on a game show. She can win a car if she can guess the price of the car within $725. The price of the car is $16, 785. Write and solve an absolute-value equation to find the values for the maximum and minimum price that Collette can guess to win the car.
A: ?
4 answers
8). A volunteer at the zoo is responsible for feeding the animals in 15 exhibits in the reptile house. This represents 20% of the total exhibits in the reptile house?
0.2x = 15
x = ?
10). Solve x/r = v for x.
x = rv
1 answer